Yes — mit.edu has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
mit.edu has 2 IPv6 addresses and answers on every one we tested.
✓ 2600:1408:c400:f8b::255e answers · 443✓ 2600:1408:c400:f93::255e answers · 443
yes
www over IPv6
www.mit.edu has 2 IPv6 addresses and answers on every one we tested.
✓ 2600:1408:c400:f8b::255e answers · 443✓ 2600:1408:c400:f93::255e answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
mit-edu.mail.protection.outlook.com ✓
yes
Nameservers have IPv6
3 of 8 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
use2.akam.net ✗use5.akam.net ✓asia1.akam.net ✗ns1-173.akam.net ✓usw2.akam.net ✗eur5.akam.net ✗ns1-37.akam.net ✓asia2.akam.net ✗
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://mit.edu/ via 2600:1408:c400:f8b::255e → 302https://web.mit.edu/ via 2600:1408:c400:f8b::255e → 200
works
 Load mit.edu over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/mit.edu.svg)](https://aaaa.bot/mit.edu)

Check again

mit.edu  Has IPv6

A (IPv4)23.49.179.66
AAAA (IPv6)2600:1408:c400:f8b::255e
2600:1408:c400:f93::255e

www.mit.edu  Has IPv6

Alias ofwww.mit.edu.edgekey.net → e9566.dscb.akamaiedge.net
A (IPv4)23.49.179.66
AAAA (IPv6)2600:1408:c400:f8b::255e
2600:1408:c400:f93::255e

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

 Permanent link: aaaa.bot/r/KwSjkTFMvk · How we measure

Checked 2026-10-30 18:04:33 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/mit.edu · JSON: /api/v1/mit.edu